351144242120242 has 8 divisors (see below), whose sum is σ = 543707213605632. Its totient is φ = 169908504251700.

The previous prime is 351144242120173. The next prime is 351144242120249. The reversal of 351144242120242 is 242021242441153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×351144242120242² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (351144242120249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831808404134 + ... + 2831808404257.

It is an arithmetic number, because the mean of its divisors is an integer number (67963401700704).

Almost surely, 2^{351144242120242} is an apocalyptic number.

351144242120242 is a deficient number, since it is larger than the sum of its proper divisors (192562971485390).

351144242120242 is a wasteful number, since it uses less digits than its factorization.

351144242120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663616808424.

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 351144242120242 its reverse (242021242441153), we get a palindrome (593165484561395).

The spelling of 351144242120242 in words is "three hundred fifty-one trillion, one hundred forty-four billion, two hundred forty-two million, one hundred twenty thousand, two hundred forty-two".